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Electronic flowmeter 
FM 120 Mo1 with quantity preset

The flowmeters of the FM 120 series can optional supplied with the function of a quantity preset. This makes it possible for the user to fill a predetermined volume by means of a pump or control a 230 volt magnetic valve or a ball valve in a pipeline precisely.

The user can select his desired flow rate by means of a clearly structured and easy to use keypad. He can start the filling process immediately by a further keystroke and interrupt it any time. To ensures best dosing accuracy, the flowmeter can be calibrated for different media.

From a fluid dynamic aspect, the minimum flow volulme is 20 liters in these turbine wheel meters.

The electronics located in the white remote switch or the handle of a non-explosion-proof drum pump ensures that upon reaching the user specified delivery rate the signal output is opened and switches off the pump reliably or a magnetic valve or a ball valve is closed.

JESSBERGER delivers the quantity preset option for more than ten years, in combination with its own electric drum pumps especially on chemical manufacturers and their distributors next to well-known companies in the electroplating industry. Both flowmeter FM 120 series are optimally suited due to the options of the pulse output and the quantity preset for simple and recurring filling processes.




Technical data quantity preset
Open Drain with MOSFET
switching transistor
Connection 2-wire cable, length 1.5 m,
with 3-pole diode switch
Configuration Pin 1: GND
Pin 3: Drain
Electrical data Open Drain
max. voltage: 30 V DC
max. current: 10 mA
FM 120 PP MO1 Order No.: 9020a
FM 120 PVDF MO1 Order No.: 9021a